Veneers are wafer thin, customized shells, used to correct a variety of cosmetic issues on the teeth, including deep staining and discoloration. veneers are placed over your natural teeth and can help to cover a variety of imperfections including gaps, stains, chips, and cracks. They can also be used to correct the color, size, shape or spacing of your natural teeth. Veneers can be made of strong resin composites or durable porcelain, and both materials can be tinted and shaped, so they blend in perfectly with the surrounding teeth as a result that is natural.